package com.hxzy.config;

import com.hxzy.config.interceptor.TokenValidateHandlerInterceptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * springMvc全局配置文件(拦截器，页面视图，静态资源放行等)
 */
@Configuration
public class WebConfig implements WebMvcConfigurer {

    /**
     * 后台令牌验证拦截器
     */
    @Autowired
    private TokenValidateHandlerInterceptor  tokenValidateHandlerInterceptor;

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        //拦截所有的/api/开头的请求，除了/api/login以外
         registry.addInterceptor(this.tokenValidateHandlerInterceptor)
                 .addPathPatterns("/api/**")
                 .excludePathPatterns("/api/login");

         //拦截所有/app/开头的请求  手机端的
        registry.addInterceptor(this.tokenValidateHandlerInterceptor)
                .addPathPatterns("/app/**")
                .excludePathPatterns("/app/login");
    }

    /**
     * 跨域配置
     */
    @Bean
    public CorsFilter corsFilter()
    {
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 设置访问源地址
        config.addAllowedOriginPattern("*");
        // 设置访问源请求头
        config.addAllowedHeader("*");
        // 设置访问源请求方法
        config.addAllowedMethod("*");
        // 有效期 1800秒
        config.setMaxAge(1800L);

        // 添加映射路径，拦截一切请求
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", config);
        // 返回新的CorsFilter
        return new CorsFilter(source);
    }
}
